Linux Systems Administrator Jobs in California

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Linux Systems Engineer (Hybrid Eligible)

Oak Ridge National Laboratory

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Remote or Oak Ridge, Tennessee, USA

Full-time

Requisition Id 14963 Overview: We are hiring a Linux Systems Engineer who will focus on supporting the technological needs of ORNL researchers! We enable research while protecting ORNL assets, especially from cyber incidents. Our team works with other research support groups to help research programs identify the best solutions for their needs. When we build environments for our customers, the Linux Systems Engineer designs, implements and maintains the systems from inception to retirement. Thi
Posted 32 days ago | Updated 10 hours ago

Unix/Linux Administrator

Parsons Services Company

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Remote

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: This job opening is for an experienced Unix/Linux Administrator to provide systems a
Posted 60+ days ago | Updated 10 hours ago

Linux Systems Software Engineer

Yoh - A Day & Zimmerman Company

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Remote or Sunnyvale, California, USA

Full-time

Linux Systems Software Engineer Required: Bachelor's degree in Computer Science, Computer Networking, Electrical Engineering, or a closely related field. Minimum of 5 years' experience developing system-level software in Linux-based environments, ideally within telecommunications, ISP, or networking industries. Strong programming proficiency in Golang, Python, and C/C++, with proven experience writing both core applications and unit/regression tests. Advanced understanding of multi-threaded prog
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Posted 3 days ago | Updated 5 hours ago

Principal Linux System Administrator

Raytheon

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El Segundo, California, USA

Full-time

Date Posted: 2025-07-02 Country: United States of America Location: CA222: 2006 E El Segundo Blvd BldgE04 2006 East El Segundo Boulevard Building E04, El Segundo, CA, 90245 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher
Posted 60+ days ago | Updated 14 hours ago

Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: CO

Lockheed Martin Corporation

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Remote or Littleton, Colorado, USA

Full-time

Job Description Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the Lockheed Marti
Posted 60+ days ago | Updated 10 hours ago

Senior Red Hat Systems Administrator

Harris Corporation

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Anaheim, California, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie
Posted 19 days ago | Updated 10 hours ago

Senior Linux System Administrator

General Dynamics

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Livermore, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, Microsoft Server Operating Systems, Microsoft Windows Environment Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: $10K Sign-on bonus A Senior Linux System Administrator Maintains an o
Posted 60+ days ago | Updated 10 hours ago

Senior Linux System Administrator

General Dynamics Information Technology

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Livermore, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, Microsoft Server Operating Systems, Microsoft Windows Environment Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: $10K Sign-on bonus A Senior Linux System Administrator Maintains an
Posted 60+ days ago | Updated 6 hours ago

Senior Linux System Administrator

General Dynamics Information Technology

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Livermore, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, Microsoft Server Operating Systems, Microsoft Windows Environment Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: $10K Sign-on bonus A Senior Linux System Administrator Maintains an o
Posted 60+ days ago | Updated 18 hours ago

DevSecOps Engineer

Vaco by Highspring

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Remote

Full-time

DevSecOps Engineer Remote Role Responsibilities: Linux Systems Admin experience (RHEL/Ubuntu preferred) A minimum of 7 years of experience.Docker/Kubernetes/Container experience (Azure Kubernetes preferred)Scripting and Automation experience (Python, PowerShell, BASH preferred)Securing Linux and Containers experienceSecuring Azure and Cloud Systems experienceNFS Systems Admin experience (NFS on RHEL and NetApp preferred)Change Management experiencePractical understanding of networkingBasic Qual
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Posted 1 day ago

Sr. Linux-Based Firmware Developer

SUNRAY INFORMATICS

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Remote

Contract, Third Party

Role : Sr. Linux-Based Firmware Developer Location: San Francisco, CA Duration: 3 to 6 Months MOI : Telephonic & MS Teams Primary Skills: Docker, C/C++, GCC, Make, CMake, Yocto Linux toolchains Need Candidates with a Minimum of 10 Years of Experience. This is a 100% Remote role, and we Need Candidates from the PST Time Zone only. Responsibilities: Act as an individual contributor, developing Embedded Software Programs for Microprocessor programmable systems.Design, implement, test, document and
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Posted 13 days ago | Updated 15 hours ago

Linux Systems/Elastic & Application Support Engineer

InfoVision, Inc.

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Remote

Contract

We are looking for Application Support Engineer with our direct client. Title:Linux Systems/Elastic & Application Support Engineer Duration: 12 months Location: Remote Job Description: Our Global Technology Solutions group is looking for a Senior Systems & Software Engineer to lead and collaborate with portfolio teams across all LOBs to support a framework that combines engineering and application development to drive operational stability. The ideal candidate will collaborate with the core t
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Posted 60+ days ago | Updated 9 days ago

Linux/Unix System Admin

Idexcel Inc.

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San Jose, California, USA

Contract

Idexcel s client is looking for a Linux/Unix System Admin to join their team on a Contract basisJob Title: Linux/Unix System Admin Location: San Jose California (Onsite) Duration: 6 Months Contract Job Summary: The DevOps/System Engineer is responsible for effective installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure. The system administration tasking will be focused on improving the stability and performance of the system, maintai
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Posted 27 days ago | Updated 1 day ago

Linux Admin with GPU

Laiba Technologies LLC

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Remote

Contract

(GPU- Graphics Processing Unit), Storage Setup, RAID Position-3 "What We'll Expect From You: Significant experience administering Linux servers o Familiarity with deb packaging, archive administration or image building is a plus Moderate experience with Python, Ruby, or Golang Familiarity with Git ww Familiarity with Shell Scripting Familiarity with continuous integration systems and concepts o Familiarity with Git-hub Actions or Concourse is a plus ww An interest in contributing work upstream
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Posted 14 hours ago

Need - Cobol Developer with SQL,Unix, Linux |Irvine, CA (Onsite 4 days/week)|Onsite |12+months |C2C - JJ

ASCII Group LLC

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Irvine, California, USA

Contract, Third Party

Title : Cobol Developer with SQL,Unix, Linux Location : Irvine, CA (Onsite 4 days/week) Duration : 12+ Months Rate : OPEN Visa Status : H1B,L1,TN &E3 /OPT-EAD,-EAD,L2-EAD,E3-EAD Relevant Experience (in Yrs.) : 8+ Detailed Job Description: l We are seeking experienced COBOL Developers with a strong background in SQL, UNIX, and Linux environments. l The ideal candidates will have at least 8 years of hands-on experience in developing, maintaining, and supporting COBOL applications within ent
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Posted 16 hours ago

Software Engineer-C on Linux

Britech Group, Inc.

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Vista, California, USA

Full-time

We are looking looking for a highly skilled and experienced Senior Software Developer to join our team, You will be developing and maintaining a complex Linux-based server software environment written in C. This role takes ownership of critical components, drives architectural decisions, and mentors junior developers while contributing directly to product stability, performance, and scalability. ESSENTIAL DUTIES AND RESPONSIBILITIES Design, implement, and maintain core components of a high-perfo
Posted 16 hours ago

Linux kernel Engineer

BayOne Solutions

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San Jose, California, USA

Contract

Role: Linux kernel Engineer Location: San Jose, CA (Hybrid) Duration: 6 + Months Contract Rate : $60/Hr, W2 team operates at the platform layer, handling Linux OS, kernel, and low-level system software this is not a networking role. Role Responsibilities: Platform bring-up for next-gen hardware (DPU/modular switches) Coding and unit testing in C Light automation scripting using Python Documentation of system behavior and implementation Deep work on OS internals and kernel-level components Suppor
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Posted 15 days ago | Updated 8 hours ago

Sr Openshift Engineer with Linux and Kubernetes

Keylent

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Remote

Contract

Sr OpenShift Engineer with Linux and Kubernetes
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Posted 14 days ago

Linux Kernel Engineer

BayOne Solutions

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San Jose, California, USA

Full-time

Job DescriptionJob Title: Linux Kernel Engineer (Only W2) Location: San Jose CA (3 days Onsite) Duration: 12 Months with possible extension Pay Rate: $65/hr - $70/hr Employment Type: Contract Team Focus: Focused on developing DPU-based switches and modular/end-of-rack systems.Team operates at the platform layer, handling Linux OS, kernel, and low-level system software this is not a networking role. Role Responsibilities: Platform bring-up for next-gen hardware (DPU/modular switches)Coding and u
Posted 5 days ago | Updated 9 hours ago

SRE (Linux / Golang Automation)

Bayside Solutions

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Remote

Contract

Site Reliability Engineer (Linux / Golang Automation) W2 Contract Salary Range: $124,800 - $145,600 per year Location: Remote Role - PST Job Summary: We require a Site Reliability Engineer with a strong background and experience supporting extensive virtualization and Linux compute platforms. Requirements and Qualifications: Experience automating with Golang Experience with Infrastructure as a Service orchestration tools (OpenStack, CloudStack, etc.) Strong experience supporting Linux and
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Posted 17 days ago | Updated 11 hours ago